Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5845856 | Pin mill type crusher | Hiroaki Tanaka, Sosuke Naito, Yoshihiko Imai, Toshikatsu Chida, Hideki Nakamura +1 more | 1998-12-08 |
| 4824035 | Cage mill | Sousuke Naito, Hidekazu Takahashi, Shunzo Shimai, Yasuji Otsuka | 1989-04-25 |
| 4580736 | Cage mill | Hidekazu Takahashi, Junya Yamano, Sousuke Naito, Tomeyoshi Nakajo | 1986-04-08 |